[zeromq-dev] ZMQ hanged :(

[Eric Hill]

Process 2472 at the time of this running looks like it has a large number
of open sockets.  Since I don't have your code, I can only guess that
you're connecting new sockets for every request?  I've got a fairly large
system going that has at most a few dozen sockets open at any given time.
 The system is most likely being slow because it's running out of IP ports.
 Realize that there's only 65000 local ports for making outgoing
connections...

Eric



On Wed, Apr 10, 2013 at 1:30 PM, Gonzalo Vasquez <gvasquez at altiuz.cl> wrote:

> Please see attached file for "netstat -ano" output
>   Gonzalo Vásquez Sáez
> Gerente Investigación y Desarrollo (R&D)
> Altiuz Soluciones Tecnológicas de Negocios Ltda.
> Av. Nueva Tajamar 555 Of. 802, Las Condes - CP 7550099
> +56 2 335 2461
>   gvasquez at altiuz.cl
> http://www.altiuz.cl
> http://www.altiuzreports.com
>   <https://www.facebook.com/altiuz>  <http://twitter.com/altiuz> <http://www.linkedin.com/company/altiuz>
>
> El 10-04-2013, a las 15:03, Eric Hill <eric at ijack.net> escribió:
>
> "netstat -ano" would be an interesting metric to look at.
>
>
> On Wed, Apr 10, 2013 at 1:02 PM, Gonzalo Vasquez <gvasquez at altiuz.cl>wrote:
>
>> No Antivirus is installed on the server. I can think of a socket
>> exhausted related issue (kinda ulimit in unix/linux), as I even get
>> disconnected from the Remote Desktop in this scenario, but I'm able to
>> relogin immediately.
>>
>>   Gonzalo Vásquez Sáez
>> Gerente Investigación y Desarrollo (R&D)
>> Altiuz Soluciones Tecnológicas de Negocios Ltda.
>> Av. Nueva Tajamar 555 Of. 802, Las Condes - CP 7550099
>> +56 2 335 2461
>>   gvasquez at altiuz.cl
>> http://www.altiuz.cl
>> http://www.altiuzreports.com
>>   <https://www.facebook.com/altiuz>  <http://twitter.com/altiuz> <http://www.linkedin.com/company/altiuz>
>>
>> El 10-04-2013, a las 14:50, Eric Hill <eric at ijack.net> escribió:
>>
>> 100% unresponsive and extremely slow are mutually exclusive.  I've seen
>> problems with antivirus programs attempting to scan inbound and outbound
>> network connections for possible threats.  Are you running any form of
>> antivirus on the server?
>>
>>
>> On Wed, Apr 10, 2013 at 12:14 PM, Gonzalo Vasquez <gvasquez at altiuz.cl>wrote:
>>
>>> Nope, no cpu nor high memory usage detected :(
>>>   Gonzalo Vásquez Sáez
>>> Gerente Investigación y Desarrollo (R&D)
>>> Altiuz Soluciones Tecnológicas de Negocios Ltda.
>>> Av. Nueva Tajamar 555 Of. 802, Las Condes - CP 7550099
>>> +56 2 335 2461
>>>   gvasquez at altiuz.cl
>>> http://www.altiuz.cl
>>> http://www.altiuzreports.com
>>>   <https://www.facebook.com/altiuz>  <http://twitter.com/altiuz> <http://www.linkedin.com/company/altiuz>
>>>
>>> El 10-04-2013, a las 13:36, Wolfgang Richter <wolf at cs.cmu.edu> escribió:
>>>
>>> So you've noticed 100% CPU usage on this server or high memory usage
>>> when it's running (thus, the unresponsiveness?)?
>>>
>>> --
>>> Wolf
>>>
>>>
>>> On Wed, Apr 10, 2013 at 11:38 AM, Gonzalo Vasquez <gvasquez at altiuz.cl>wrote:
>>>
>>>> Wolf,
>>>>
>>>> Yes, almost 100% unresponsive, even closing windows is extremely slow.
>>>>
>>>> The server component is terminated by a single CTRL-C, i.e. it's
>>>> interrupted....as the main is invoked in a black cmd window.
>>>>
>>>> I've also realized that I also had to the terminate the client side to
>>>> recover 100% responsiveness, this part of the code is running as a webapp
>>>> in IBM WAS Server
>>>>
>>>> It's virutalized in an ESXi server.-
>>>>
>>>> Thanks.
>>>>
>>>>   Gonzalo Vásquez Sáez
>>>> Gerente Investigación y Desarrollo (R&D)
>>>> Altiuz Soluciones Tecnológicas de Negocios Ltda.
>>>> Av. Nueva Tajamar 555 Of. 802, Las Condes - CP 7550099
>>>> +56 2 335 2461
>>>>   gvasquez at altiuz.cl
>>>> http://www.altiuz.cl
>>>> http://www.altiuzreports.com
>>>>   <https://www.facebook.com/altiuz>  <http://twitter.com/altiuz> <http://www.linkedin.com/company/altiuz>
>>>>
>>>> El 10-04-2013, a las 12:34, Wolfgang Richter <wolf at cs.cmu.edu>
>>>> escribió:
>>>>
>>>> What do you mean by:
>>>>
>>>> the server get's really "stuck" until I terminate the server component.
>>>>>
>>>>
>>>> Do you mean your Windows Server becomes almost unresponsive?
>>>>
>>>> Other processes can't work properly?
>>>>
>>>> How do you terminate the server component?
>>>>
>>>> Also, is this in a virtualized/cloud environment, or bare metal Windows
>>>> Server?
>>>>
>>>> --
>>>> Wolf
>>>> _______________________________________________
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>>>>
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